Early Results from GLASS-JWST. XIX. A High Density of Bright Galaxies at z ≈ 10 in the A2744 Region

被引：90

作者：

Castellano, Marco ^{[1
]}

Fontana, Adriano ^{[1
]}

Treu, Tommaso ^{[2
]}

Merlin, Emiliano ^{[1
]}

Santini, Paola ^{[1
]}

Bergamini, Pietro ^{[3
,4
]}

Grillo, Claudio ^{[3
,5
]}

Rosati, Piero ^{[4
,6
]}

Acebron, Ana ^{[3
,5
]}

Leethochawalit, Nicha ^{[7
]}

Paris, Diego ^{[1
]}

Bonchi, Andrea ^{[8
]}

Belfiori, Davide ^{[1
]}

Calabro, Antonello ^{[1
]}

Correnti, Matteo ^{[1
,8
]}

Nonino, Mario ^{[9
]}

Polenta, Gianluca ^{[8
]}

Trenti, Michele ^{[10
,11
]}

Boyett, Kristan ^{[10
,11
]}

Brammer, G. ^{[12
,13
]}

Broadhurst, Tom ^{[14
,15
,16
]}

Caminha, Gabriel B. ^{[17
,18
]}

Chen, Wenlei ^{[19
]}

Filippenko, Alexei V. ^{[20
]}

Fortuni, Flaminia ^{[1
]}

Glazebrook, Karl ^{[21
]}

Mascia, Sara ^{[1
]}

Mason, Charlotte A. ^{[12
,13
]}

Menci, Nicola ^{[1
]}

Meneghetti, Massimo ^{[4
,22
]}

Mercurio, Amata ^{[23
,24
]}

Metha, Benjamin ^{[2
,10
,11
]}

Morishita, Takahiro ^{[25
]}

Nanayakkara, Themiya

Pentericci, Laura ^{[1
]}

Roberts-Borsani, Guido ^{[2
]}

Roy, Namrata ^{[26
]}

Vanzella, Eros ^{[4
]}

Vulcani, Benedetta ^{[27
]}

Yang, Lilan ^{[28
]}

Wang, Xin ^{[29
,30
,31
]}

机构：

[1] INAF Osservatorio Astron Roma, Via Frascati 33, I-00078 Monte Porzio Catone, Italy

[2] Univ Calif Los Angeles, Dept Phys & Astron, 430 Portola Plaza, Los Angeles, CA 90095 USA

[3] Univ Milan, Dipartimento Fis, Via Celoria 16, I-20133 Milan, Italy

[4] Osservatorio Astrofis & Sci Spazio Bologna, INAF OAS, Via Gobetti 93-3, I-40129 Bologna, Italy

[5] INAFIASF Milano, Via A Corti 12, I-20133 Milan, Italy

[6] Univ Ferrara, Dipartimento Fis & Sci Terra, Via Saragat 1, I-44122 Ferrara, Italy

[7] Natl Astron Res Inst Thailand NARIT, Chiang Mai 50180, Thailand

[8] Italian Space Agcy, Space Sci Data Ctr, Via Politecn, I-00133 Rome, Italy

[9] INAF Trieste Astron Observ, Via Bazzoni 2, I-34124 Trieste, Italy

[10] Univ Melbourne, Sch Phys, Parkville, Vic 3010, Australia

[11] ARC Ctr Excellence All Sky Astrophys 3 Dimens AST, Canberra, ACT, Australia

[12] Cosm Dawn Ctr DAWN, Copenhagen, Denmark

[13] Univ Copenhagen, Niels Bohr Inst, Jagtvej 128, DK-2200 Copenhagen N, Denmark

[14] Univ Basque Country UPV EHU, Dept Theoret Phys, E-48040 Bilbao, Spain

[15] Donostia Int Phys Ctr DIPC, Donostia San Sebastian 20018, Spain

[16] Basque Fdn Sci, Ikerbasque, Alameda Urquijo 36-5, E-48008 Bilbao, Spain

[17] Tech Univ Munich, Phys Dept, James Franck Str 1, D-85748 Garching, Germany

[18] Max Planck Inst Astrophys, Karl Schwarzschild Str 1, D-85748 Garching, Germany

[19] Univ Minnesota, Sch Phys & Astron, 116 Church St SE, Minneapolis, MN 55455 USA

[20] Univ Calif Berkeley, Dept Astron, 601 Campbell Hall, Berkeley, CA 94720 USA

[21] Swinburne Univ Technol, Ctr Astrophys & Supercomp, POB 218, Hawthorn, Vic 3122, Australia

[22] INFN Sez Bologna, Viale Berti Pichat 6-2, I-40127 Bologna, Italy

[23] Univ Salerno, Dipartimento Fis ER Caianiello, Via Giovanni Paolo II, I-84084 Fisciano, SA, Italy

[24] INAF Osservatorio Astron Capodimonte, Via Moiariello 16, I-80131 Naples, Italy

[25] CALTECH, IPAC, MC 314-6,1200 E Calif Blvd, Pasadena, CA 91125 USA

[26] Johns Hopkins Univ, Dept Phys & Astron, Ctr Astrophys Sci, Baltimore, MD 21218 USA

[27] INAF Osservatorio Astron Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy

[28] Univ Tokyo, Kavli Inst Phys & Math Universe, Kashiwa, Chiba 2778583, Japan

[29] Univ Chinese Acad Sci UCAS, Sch Astron & Space Sci, Beijing 100049, Peoples R China

[30] Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China

[31] Beijing Normal Univ, Inst Frontiers Astron & Astrophys, Beijing 102206, Peoples R China

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2023年 / 948卷 / 02期

基金：

新加坡国家研究基金会; 澳大利亚研究理事会;

关键词：

UV LUMINOSITY FUNCTIONS; HUBBLE FRONTIER FIELDS; HIGH-REDSHIFT GALAXIES; STAR-FORMATION RATE; PHOTOMETRIC REDSHIFTS; SURVEY DESIGN; CANDELS; CONSTRAINTS; STELLAR; END;

D O I：

10.3847/2041-8213/accea5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the detection of a high density of redshift z approximate to 10 galaxies behind the foreground cluster A2744, selected from imaging data obtained recently with NIRCam on board JWST by three programs-GLASS-JWST, UNCOVER, and DDT#2756. To ensure robust estimates of the lensing magnification mu, we use an improved version of our model that exploits the first epoch of NIRCam images and newly obtained MUSE spectra and avoids regions with mu > 5 where the uncertainty may be higher. We detect seven bright z approximate to 10 galaxies with demagnified rest frame -22 less than or similar to M (UV) less than or similar to -19 mag, over an area of similar to 37 arcmin(2). Taking into account photometric incompleteness and the effects of lensing on luminosity and cosmological volume, we find that the density of z approximate to 10 galaxies in the field is about 10x (3x) larger than the average at M (UV) approximate to -21 ( -20) mag reported so far. The density is even higher when considering only the GLASS-JWST data, which are the deepest and the least affected by magnification and incompleteness. The GLASS-JWST field contains five out of seven galaxies, distributed along an apparent filamentary structure of 2 Mpc in projected length, and includes a close pair of candidates with M (UV) < -20 mag having a projected separation of only 16 kpc. These findings suggest the presence of a z approximate to 10 overdensity in the field. In addition to providing excellent targets for efficient spectroscopic follow-up observations, our study confirms the high density of bright galaxies observed in early JWST observations but calls for multiple surveys along independent lines of sight to achieve an unbiased estimate of their average density and a first estimate of their clustering.

引用

页数：11

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